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Finding the Fourth Proportional to 383,007.99, 574,603.11 and 193,001.43

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Solution

The fourth proportional to 383,007.99, 574,603.11 and 193,001.43 is: 289,548.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,007.99 : 574,603.11 = 193,001.43 : x
  2. Step 2: Convert to fraction form
    383,007.99/574,603.11 = 193,001.43/x
  3. Step 3: Cross multiply
    383,007.99x = 574,603.11 × 193,001.43
  4. Step 4: Simplify right side
    383,007.99x = 110,899,221,912.45
  5. Step 5: Solve for x
    x = 110,899,221,912.45/383,007.99
  6. Step 6: Final answer
    x = 289,548.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.